Copper-material-saving precise positioning clamp for rapid CNC (computer numerical control)

Abstract

The utility model discloses a copper-material-saving precise positioning fixture for rapid CNC (computer numerical control), which belongs to the technical field of starch production and comprises a base, a U-shaped block I is fixedly connected to the upper surface of the base, a rotating shaft I is rotatably connected to the inside of the U-shaped block I, and an air cylinder is rotatably connected to the outer wall of the rotating shaft I; the output end of the air cylinder is rotationally connected with second rotating shafts, one ends of the multiple second rotating shafts are rotationally connected with triangular plates, one ends of the two connecting plates are fixedly connected with round rods, and the outer walls of the two round rods are fixedly connected with clamping plates. The air cylinder is started, the rotating shaft is matched with the first U-shaped block to move by a certain angle, the air cylinder stretches out and draws back to drive the triangular plate to rotate, the triangular plate drives the connecting plate and the clamping plate to move together through the second rotating shaft when rotating, and therefore an object is clamped and positioned, and firmness and stability during clamping are improved; and the object is prevented from shaking during processing.

Description

Technical Field

[0001] The utility model relates to the technical field of starch production, in particular to a copper-saving, fast CNC precision positioning fixture. Background Art

[0002] CNC (Computer Numerical Control) is an automated processing technology widely used in modern manufacturing. It controls the movement and processing of machine tools through computer programs, achieving high-precision and high-efficiency parts processing.

[0003] The utility model with existing announcement number: CN213258167U discloses a quick positioning fixture for a CNC machining center, including an operating plate and a fixing plate, wherein a mounting plate is mounted on the upper surface of the operating plate, and a limiting groove is provided inside the mounting plate, and a spring is installed inside the limiting groove.

[0004] However, in actual use, the spring force decays during long-term use, resulting in insufficient clamping. In addition, the clamping function of the device is relatively single, and when the clamped object is thin, the object is prone to deformation. Therefore, we propose a copper-saving, fast CNC precision positioning fixture. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a copper-saving, rapid CNC precision positioning fixture, which overcomes the deficiencies in the prior art and aims to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a copper-saving fast CNC precision positioning fixture, comprising a base, a U-shaped block 1 is fixedly connected to the upper surface of the base, a rotating shaft 1 is rotatably connected inside the U-shaped block 1, a cylinder is rotatably connected to the outer wall of the rotating shaft 1, a rotating shaft 2 is rotatably connected to the output end of the cylinder, one end of a plurality of rotating shafts 2 is rotatably connected to a triangular plate, the outer walls of two rotating shafts 2 are rotatably connected to connecting plates, one end of the two connecting plates are fixedly connected to a circular rod, and the outer walls of the two circular rods are fixedly connected to a clamping plate:

[0007] The base provides stable support for the operation of the entire device, and a U-shaped block 1 is fixedly connected to the top of the base, and a rotating shaft 1 is rotatably connected to the inside of the U-shaped block 1, and the rotating shaft 1 is rotatably connected to the cylinder, and the output end of the cylinder 1 is connected to a rotating shaft 2, and the rotating shaft 2 is rotatably connected to the triangular plate. There are three rotating shafts 2 in total, one of which is rotatably connected to the output end of the cylinder, and the remaining two rotating shafts 2 are rotatably connected to the connecting plates. One end of the two connecting plates are respectively fixedly connected to circular rods, and the two circular rods pass through the splints. By starting the cylinder, the rotating shaft cooperates with the U-shaped block 1 to realize the movement of the cylinder at a certain angle, and the cylinder telescopes to drive the triangular plate to rotate, and when the triangular plate rotates, the connecting plate is driven to move through the rotating shaft 2, and as the connecting plate moves, the splint also moves with the connecting plate, to achieve clamping and positioning of the object, thereby improving the firmness and stability during clamping, and avoiding shaking when the object is processed.

[0008] As a preferred technical solution of the utility model, the top of the base is fixedly connected to a support plate, the outer wall of the support plate is rotatably connected to a rotating shaft four, the rotating shaft four penetrates the triangular plate and is rotatably connected, the top of the support plate is fixedly connected to a placement plate, the top of the placement plate is provided with a groove, both sides of the placement plate are fixedly connected to U-shaped blocks two, the insides of the two U-shaped blocks two are rotatably connected to the rotating shaft three, and the two rotating shafts three are rotatably connected to the clamping plate:

[0009] The outer wall of the support plate is rotatably connected with a rotating shaft four, which penetrates the triangular plate and is rotatably connected. The rotating shaft four is located in the middle and upper position of the triangular plate. The top of the support plate is fixedly connected with a placing plate, and a groove is opened on the top of the placing plate for placing objects that need to be clamped and positioned. U-shaped blocks two are connected on both sides of the placing plate, and the internal rotation of the two U-shaped blocks two is connected with a rotating shaft three. The two rotating shafts three are rotatably connected to the clamping plate, and the support plate and the triangular plate are connected by the rotating shaft four, so that the operation of the device is more stable. At the same time, the rotating shaft four is located in the middle and upper position of the triangular plate to prevent the triangular plate from getting stuck when it rotates. The U-shaped block two cooperates with the rotating shaft three to be rotatably connected to the clamping plate, thereby clamping and fixing the object in the placing plate. At the same time, the placing plate can also collect copper chips generated during processing. The collected copper chips are reused in processing to save copper materials.

[0010] As a preferred technical solution of the utility model, a lifting mechanism is arranged inside the placement plate, and the positioning mechanism includes an electric push rod, two of the electric push rods are fixedly connected to the corners of the placement plate, and the output ends of the two electric push rods are fixedly connected to an L-shaped plate, and an elongated hole is opened inside the placement plate, and an elongated plate is installed inside the elongated hole, and a handle is fixedly connected to the outer wall of the elongated plate:

[0011] A lifting mechanism is provided inside the placement plate, and the lifting mechanism includes an electric push rod, an L-shaped plate, an elongated hole and the elongated plate. The electric push rod is installed at the corner inside the placement plate. By placing the workpiece on the L-shaped plate, the L-shaped plate and the placement plate are spaced a certain distance apart, so that the drill bit can be prevented from damaging the placement plate when drilling the workpiece. By changing the distance of the L-shaped plate by the electric push rod, it can adapt to the fixation of workpieces of different sizes and thicknesses, and effectively reduce the possibility of deformation of the object when clamping thinner objects. The elongated hole is opened on one side of the placement plate, which is used to clean out the debris in the placement plate through the elongated hole. After cleaning, the elongated plate is inserted into the elongated hole through the handle to prevent the debris during processing from flying out through the elongated hole, thereby greatly improving the practicability and convenience of the device.

[0012] Beneficial effects of the utility model:

[0013] By starting the cylinder, the rotating shaft cooperates with the U-shaped block 1 to move the cylinder to a certain angle, and the cylinder extends and retracts to drive the triangular plate to rotate. When the triangular plate rotates, the connecting plate is driven to move through the rotating shaft 2. As the connecting plate moves, the splint also moves with the connecting plate to clamp and position the object, thereby improving the firmness and stability of the clamping and avoiding shaking of the object during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the lifting device of the utility model;

[0016] Figure 3 It is a schematic diagram of the local device structure of the utility model.

[0017] In the figure: 1. base; 2. U-shaped block 1; 3. rotating shaft 1; 4. cylinder; 5. rotating shaft 2; 6. connecting plate; 7. round rod; 8. clamping plate; 9. U-shaped block 2; 10. rotating shaft 3; 11. rotating shaft 4; 12. placing plate; 13. lifting mechanism; 1301. elongated hole; 1302. electric push rod; 1303. L-shaped plate; 1304. elongated plate; 14. triangular plate; 15. supporting plate; 16. groove; 17. handle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 A copper-saving fast CNC precision positioning fixture comprises a base 1, a U-shaped block 2 is fixedly connected to the upper surface of the base 1, a rotating shaft 3 is rotatably connected to the inside of the U-shaped block 2, a cylinder 4 is rotatably connected to the outer wall of the rotating shaft 3, a rotating shaft 2 5 is rotatably connected to the output end of the cylinder 4, one end of the plurality of rotating shafts 2 5 is rotatably connected to a triangular plate 14, the outer walls of two rotating shafts 2 5 are rotatably connected to connecting plates 6, one end of the two connecting plates 6 are fixedly connected to round rods 7, and the outer walls of the two round rods 7 are fixedly connected to clamps 8:

[0020] The base 1 provides stable support for the operation of the entire device. A U-shaped block 2 is fixedly connected to the top of the base 1. The internal rotation of the U-shaped block 2 is connected to a rotating shaft 3. The rotating shaft 3 is rotatably connected to the cylinder 4. The output end of the cylinder 4 is connected to a rotating shaft 2 5. The rotating shaft 2 5 is rotatably connected to the triangular plate 14. There are three rotating shafts 2 5, one of which is rotatably connected to the output end of the cylinder 4, and the remaining two rotating shafts 2 5 are rotatably connected to the connecting plate 6. One end of the two connecting plates 6 is fixedly connected to the circular rod 7 respectively, and the two circular rods 7 pass through the splint 8. By starting the cylinder 4, the rotating shaft 3 cooperates with the U-shaped block 2 to realize the movement of the cylinder 4 to a certain angle, and the cylinder 4 is telescoped to drive the triangular plate 14 to rotate. When the triangular plate 14 rotates, the connecting plate 6 is driven to move through the rotating shaft 2 5. As the connecting plate 6 moves, the splint 8 also moves with the connecting plate 6 to achieve clamping and positioning of the object, and improves the firmness and stability during clamping, thereby avoiding shaking during object processing.

[0021] See also Figure 1 and Figure 2 In this embodiment, a support plate 15 is fixedly connected to the top of the base 1, and a rotating shaft 4 11 is rotatably connected to the outer wall of the support plate 15. The rotating shaft 4 11 penetrates the triangular plate 14 and is rotatably connected. A placement plate 12 is fixedly connected to the top of the support plate 15, and a groove 16 is provided on the top of the placement plate 12. U-shaped blocks 2 9 are fixedly connected to both sides of the placement plate 12. The interiors of the two U-shaped blocks 2 9 are rotatably connected to the rotating shaft 3 10, and the two rotating shafts 3 10 are rotatably connected to the clamping plate 8:

[0022] The outer wall of the support plate 15 is rotatably connected with a rotating shaft four 11, and the rotating shaft four 11 passes through the triangular plate 14 and is rotatably connected. The rotating shaft four 11 is located in the middle and upper position of the triangular plate 14. The top of the support plate 15 is fixedly connected with a placing plate 12, and a groove 16 is opened on the top of the placing plate 12 for placing objects that need to be clamped and positioned. U-shaped blocks two 9 are connected on both sides of the placing plate 12, and the internal rotation of the two U-shaped blocks two 9 is connected with a rotating shaft three 10. The two rotating shafts three 10 are rotatably connected to the clamping plate 8, and are connected to the support plate 15 and the triangular plate 14 through the rotating shaft four 11, so as to provide support for the triangular plate 14 when it rotates. At the same time, the rotating shaft four 11 is located in the middle and upper position of the triangular plate 14 to prevent the triangular plate 14 from getting stuck when it rotates. The U-shaped block two 9 cooperates with the rotating shaft three 10 to be rotatably connected with the clamping plate 8, so as to clamp and fix the objects in the placing plate 12. At the same time, the placing plate 12 can also collect copper chips generated during processing, and the collected copper chips are reused after processing, thereby saving copper materials.

[0023] See also Figure 2 and Figure 3 In this embodiment, a lifting mechanism 13 is provided inside the placement plate 12, and the lifting mechanism 13 includes an electric push rod 1302, two of the electric push rods 1302 are fixedly connected to the corners of the placement plate 12, and the output ends of the two electric push rods 1302 are fixedly connected to an L-shaped plate 1303, and an elongated hole 1301 is opened inside the placement plate 12, and an elongated plate 1304 is installed inside the elongated hole 1301, and a handle 17 is fixedly connected to the outer wall of the elongated plate 1304:

[0024] A lifting mechanism 13 is provided inside the placement plate 12, and the lifting mechanism 13 includes an electric push rod 1302, an L-shaped plate 1303, an elongated hole 1301 and an elongated plate 1304. The electric push rod 1302 is installed at the corner inside the placement plate 12. By placing the workpiece on the L-shaped plate 1303, the L-shaped plate 1303 is spaced a certain distance from the placement plate 12, so that the drill bit can be prevented from damaging the placement plate 12 when drilling the workpiece. The distance of the L-shaped plate 1303 is changed by the electric push rod 1302, so that it can adapt to the fixation of workpieces of different sizes and thicknesses, thereby improving the convenience of using the equipment. The elongated hole 1301 is opened on one side of the placement plate 12, and is used to clean out the debris in the placement plate 12 through the elongated hole 1301. After cleaning, the elongated plate 1304 is inserted into the elongated hole 1301 through the handle 17. The elongated plate 1304 can prevent the debris from splashing out through the elongated hole 1301 when the workpiece is processed.

[0025] Working principle: by starting the cylinder 4, the shaft 1 3 cooperates with the U-shaped block 1 2 to realize the movement of the cylinder 4 to a certain angle, and the cylinder 4 is extended and retracted to drive the triangular plate 14 to rotate. When the triangular plate 14 rotates, the connecting plate 6 is driven to move through the shaft 2 5. As the connecting plate 6 moves, the splint 8 also moves with the connecting plate 6 to achieve clamping and positioning of the object, and improves the firmness and stability of the clamping to avoid shaking of the object during processing. The shaft 4 11 is connected with the support plate 15 and the triangular plate 14 to provide support for the triangular plate 14 when it rotates. At the same time, the shaft 4 11 is located in the middle and upper position of the triangular plate 14 to prevent the triangular plate 14 from getting stuck when it rotates. The U-shaped block 2 9 cooperates with the shaft 3 10 to rotate and connect with the splint 8, so as to achieve clamping and fixing of the object in the placement plate 12. At the same time, the placement plate 12 can also be added The copper chips generated during working hours are collected and processed for secondary use, thereby saving copper materials. By placing the workpiece on the L-shaped plate 1303, the L-shaped plate 1303 is spaced a certain distance from the placement plate 12, which can prevent the drill bit from damaging the placement plate 12 when drilling the workpiece. The distance of the L-shaped plate 1303 is changed by the electric push rod 1302, so that it can adapt to the fixation of workpieces of different sizes and thicknesses, improve the convenience of equipment use, and prevent deformation of thin objects when clamping. The elongated hole 1301 is opened on one side of the placement plate 12, which is used to clean out the debris in the placement plate 12 through the elongated hole 1301. After cleaning, the elongated plate 1304 is inserted into the elongated hole 1301 through the handle 17. The elongated plate 1304 can prevent the debris from splashing out through the elongated hole 1301 when the workpiece is processed.

[0026] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A copper-saving, fast CNC precision positioning fixture, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a U-shaped block (2), the interior of the U-shaped block (2) is rotatably connected to a rotating shaft (3), the outer wall of the rotating shaft (3) is rotatably connected to a cylinder (4), the output end of the cylinder (4) is rotatably connected to a rotating shaft (5), one end of a plurality of rotating shafts (5) is rotatably connected to a triangular plate (14), the outer walls of two rotating shafts (5) are rotatably connected to connecting plates (6), one end of the two connecting plates (6) are fixedly connected to a circular rod (7), and the outer walls of the two circular rods (7) are fixedly connected to a clamping plate (8).

2. The copper-saving fast CNC precision positioning fixture according to claim 1 is characterized in that: The top of the base (1) is fixedly connected to a support plate (15), and the outer wall of the support plate (15) is rotatably connected to a fourth rotating shaft (11), and the fourth rotating shaft (11) passes through the triangular plate (14) and is rotatably connected.

3. The copper-saving fast CNC precision positioning fixture according to claim 2 is characterized in that: The top of the support plate (15) is fixedly connected to a placement plate (12), and the top of the placement plate (12) is provided with a groove (16).

4. The copper-saving fast CNC precision positioning fixture according to claim 3 is characterized in that: The two sides of the placement plate (12) are fixedly connected with U-shaped blocks 2 (9), the interiors of the two U-shaped blocks 2 (9) are rotatably connected with rotating shafts 3 (10), and the two rotating shafts 3 (10) are rotatably connected to the clamping plate (8).

5. The copper-saving fast CNC precision positioning fixture according to claim 3 is characterized in that: A lifting mechanism (13) is arranged inside the placement plate (12), and the lifting mechanism (13) includes an electric push rod (1302), and the output ends of the two electric push rods (1302) are fixedly connected to an L-shaped plate (1303). An elongated hole (1301) is opened inside the placement plate (12), and an elongated plate (1304) is installed inside the elongated hole (1301).

6. The copper-saving fast CNC precision positioning fixture according to claim 5 is characterized in that: The two electric push rods (1302) are fixedly connected to the corners of the placement plate (12).

7. The copper-saving fast CNC precision positioning fixture according to claim 5 is characterized in that: A handle (17) is fixedly connected to the outer wall of the elongated plate (1304).

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